Home / 107,321.40-161,003.70-37,186.20

Finding the Fourth Proportional to 107,321.40, 161,003.70 and 37,186.20

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Solution

The fourth proportional to 107,321.40, 161,003.70 and 37,186.20 is: 55,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,321.40 : 161,003.70 = 37,186.20 : x
  2. Step 2: Convert to fraction form
    107,321.40/161,003.70 = 37,186.20/x
  3. Step 3: Cross multiply
    107,321.40x = 161,003.70 × 37,186.20
  4. Step 4: Simplify right side
    107,321.40x = 5,987,115,788.94
  5. Step 5: Solve for x
    x = 5,987,115,788.94/107,321.40
  6. Step 6: Final answer
    x = 55,786.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.